Memphis Grills Temperature Overshoot / Poor PID Tuning Response

Grill overshoots set temperature by 50°F or more and cycles widely

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Possible Causes

Grease or soot on RTD sensor, RTD sensor not fully seated, Controller PID parameters out of calibration, Excessive pellet feed rate

How to Fix / Troubleshooting

Safety: Allow the grill to cool before touching the internal sensor.

  • Clean RTD sensor: Gently wipe the internal temperature probe with a soft cloth to remove grease and soot. Do not use abrasive pads.
  • Check mounting: Ensure the RTD probe is firmly mounted and not loose or touching metal surfaces that could cause lagging readings.
  • Firmware update: Check Memphis documentation for any controller firmware updates that improve temperature control and apply as directed.
  • Pellet feed check: Verify that the auger is not running excessively at low setpoints. If it is, the controller may be faulty and require replacement.
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Repair Difficulty

Easy 2/5

Required Part

RTD Temperature Probe
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